This host is missing an important security update according to Microsoft Bulletin MS13-085.
Successful exploitation will allow remote attackers to execute the arbitrary code, cause memory corruption and compromise the system. Impact Level: System/Application
Apply the patch from below link, http://technet.microsoft.com/en-us/security/bulletin/ms13-085
Multiple flaws are due to error when processing Microsoft Word binary documents can be exploited to cause a memory corruption
Microsoft Office 2011 on Mac OS X
Get the vulnerable file version and check appropriate patch is applied or not.